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22-mile oil plume found under Gulf surface

22-mile oil plume found under Gulf surface 28 May 2010 Marine scientists have discovered a massive new plume of what they believe to be oil deep beneath the Gulf of Mexico, stretching 22 miles from the leaking BP wellhead northeast toward an underwater canyon whose currents feed sealife in the waters off Florida. The discovery by researchers on the University of South Florida College of Marine Science's Weatherbird II vessel is the second significant undersea plume reported since the Deepwater Horizon exploded on April 20.